Product Description
Sigma 170-500mm f/5-6.3 APO Aspherical Lens for Canon SLR Cameras. Sigma combined a five-lens group zoom system with an aspherical lens element when they designed the 170-500mm f5-f6. This combination gives your images sharp high-contrast images throughout the entire zoom range. Since the front lens group doesn't rotate, polarized filters are extremely easy to use. Its unique apochromatic lens design and three SLD glass elements help eliminate the vibrations usually found in ultra-telephoto lenses.
Shipping Weight: 2 pounds
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